Malicious PDF — malware analysis report

Static analysis result for SHA-256 793675f637d2dd0e…

MALICIOUS

PDF

380.7 KB Created: 2022-04-14 17:58:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 5ae77e6b7e21fdf8ba3e1e052f609031 SHA-1: ebf90449dcd71bac35bdb8090554e83c4225926f SHA-256: 793675f637d2dd0e75228d6c1fc0ba234fe2b423fd1b3899bb79c4f3580892b3
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8675

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://loheb.co.za/XSRYdR1H?utm_term=acquisition+meaning+pdf PDF link annotation
    • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622be9e050485---jakelewivupo.pdfIn PDF document text
    • http://gymostrov.org/gymostrov/userfiles/file/lokoxuges.pdfIn PDF document text
    • https://afgventuregroup.com/cfiles/file/rasiru.pdfIn PDF document text
    • https://butchercurnow.com/img/shop/contents/64493672917.pdfIn PDF document text
    • http://mama-care.com/UserFiles/file/marutidupesexav.pdfIn PDF document text
    • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16240bcfab7e3c---bepefemesedolalojetixulo.pdfIn PDF document text
    • https://zlato-invest.cz/upload/files/22991229228.pdfIn PDF document text
    • http://yourbuilding.ru/userfiles/files/45807627592.pdfIn PDF document text
    • https://supportsurgical.com.br/assets/kcfinder/upload/files/18578689674.pdfIn PDF document text
    • http://akademia-jedenastka.pl/zdjecia/fck/file/xomajipawilov.pdfIn PDF document text
    • http://globalsublimation.net/uploadfile/files/lepora.pdfIn PDF document text
    • https://tiger-security.net/webroot/upload/files/7227070266.pdfIn PDF document text
    • https://shoppingplanet.cityplanet.ro/ckfinder/userfiles/files/27357608012.pdfIn PDF document text
    • http://architettoseneca.com/userfiles/files/20411613347.pdfIn PDF document text
    • https://xn--fct8ml6mwue.tw/uploads/files/xujuxafurutivesoj.pdfIn PDF document text
    • http://fobosgrunt.ru/files/ckfinder/files/fezixed.pdfIn PDF document text
    • http://www.granito-terrazzo.be/ckeditor/kcfinder/upload/files/suzijewawepenibureforine.pdfIn PDF document text
    • http://szemere-iskola.hu/images/files/71732446078.pdfIn PDF document text
    • https://balurghat.offbeateducation.com/uploads/imagefile/saxabibakusadosujibog.pdfIn PDF document text
    • http://dns1.lineshare.net/upload/files/20220328134706.pdfIn PDF document text
    • http://ellipsisnovel.com/file_space/files/64097890203.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00057a3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57A3C 11044 bytes
SHA-256: aff4fe8a04c5368176f8ea32f39d1a6bd6c511b35312f128204f616216aa67e4
font_01_sfnt_off00059377.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59377 22020 bytes
SHA-256: 947be9f2fe21f3f10454a6da5026b481d95f2e9254dd16a8fe637f6c6ce28b53
font_02_sfnt_off0005ccbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CCBF 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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